3.84kWh LiFePO4 Battery Pack 12.8V — Deep Cycle Solar Storage, 6000+ Cycles
3.84kWh LiFePO4 Battery Pack 12.8V — Deep Cycle Solar Storage, 6000+ Cycles
The largest of the 12.8 V range, this 300 Ah pack suits installations that want 12 V simplicity with real endurance — a weekend away without recharging, or a full night of essential loads.
Where it fits best
- Extended off-grid weekends in a camper or boat
- Backup for essential 12 V loads through long outages
- Small solar systems preferring one large battery over several small ones
Questions buyers ask
Is one large battery better than several small ones?
A single pack avoids balance and wiring complexity. Several smaller units give redundancy and easier handling — at 300 Ah this pack is heavy for one person to move.
What discharge current can it sustain?
50 A recommended continuously with 100 A maximum. Check your inverter's draw against those figures before sizing loads.
Technical specifications
| Rated Battery Voltage | 12.8 V |
|---|---|
| Energy | 3840 Wh |
| Nominal Capacity | 300 Ah |
| Combination Mode | 4S1P |
| Cycle Life | 6000 cycles @80% DOD |
| Monthly Self-discharge | 3 % |
| Charging Efficiency | 97 % |
| Discharge Efficiency | 98 % |
| Recommended Charging Voltage | 14.4 V |
| Recommended Charging Current | 150 A |
| Maximum Charging Voltage | 14.6 V |
| Maximum Charging Current | 200 A |
| Recommended Discharge Current | 150 A |
| Maximum Discharge Current | 200 A |
| Discharge Termination Voltage | 10.8 V |
| Charging Temperature Range | 0℃~45℃ |
| Discharge Temperature Range | -20℃~60℃ |
| Storage Temperature | 0℃~40℃ |
| Protection Class | IP55 |
| Shell Material | ABS |
| Battery Size (W*D*H) | 525*235*220mm |
| Package Size (W*D*H) | 545*255*240mm |
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Frequently Asked Questions
What is a LiFePO4 battery?
Lithium iron phosphate chemistry that offers long cycle life, thermal stability, and safe deep discharge compared with older battery types.
How long does it last?
LiFePO4 packs typically deliver thousands of charge cycles at 80% depth of discharge, which means years of daily use.
Can I expand capacity later?
Many IPV ESSA systems support parallel battery expansion; check the model manual for the maximum number of units.
Where should I install it?
In a ventilated, dry location away from direct heat and moisture, as with any electrical storage equipment.
